<template>
  <div>
    <div>
      <t-radio-group v-model="resetType" variant="default-filled">
        <t-radio-button value="empty">重置为空</t-radio-button>
        <t-radio-button value="initial">
          <t-popup content="改变表单数据后，点击重置按钮，观察数据重置情况"> 重置为初始值 </t-popup>
        </t-radio-button>
      </t-radio-group>
    </div>
    <br /><br />

    <!-- colon 表示，是否统一显示 label 冒号 -->
    <t-form :data="formData" :resetType="resetType" colon @reset="onReset" @submit="onSubmit">
      <t-form-item label="姓名" name="name">
        <t-input v-model="formData.name" placeholder="请输入内容"></t-input>
      </t-form-item>
      <t-form-item label="手机号码" name="tel">
        <t-input v-model="formData.tel" placeholder="请输入内容"></t-input>
      </t-form-item>
      <t-form-item label="课程" name="course">
        <t-checkbox-group v-model="formData.course" :options="courseOptions"></t-checkbox-group>
      </t-form-item>
      <t-form-item style="padding-top: 8px">
        <t-button theme="primary" type="submit" style="margin-right: 10px">提交</t-button>
        <t-button theme="default" variant="base" type="reset">重置</t-button>
      </t-form-item>
    </t-form>
  </div>
</template>
<script>
// 这是初始值，数据变化后可以设置表单重置为这个初始值
const INITIAL_DATA = {
  name: 'TDesign',
  tel: '12345678910',
  course: ['1'],
};

export default {
  data() {
    return {
      resetType: 'initial',
      formData: { ...INITIAL_DATA },
      courseOptions: [
        { label: '语文', value: '1' },
        { label: '数学', value: '2' },
        { label: '英语', value: '3' },
      ],
    };
  },

  methods: {
    onReset() {
      this.$message.success('重置成功');
    },
    onSubmit({ validateResult, firstError }) {
      if (validateResult === true) {
        this.$message.success('提交成功');
      } else {
        console.log('Errors: ', validateResult);
        this.$message.warning(firstError);
      }
    },
  },
};
</script>
